2) Center: (0, 0) Radius: 18 write the equation of the circle

Mgosk asked Aug 2, 2023

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32 votes

2) Center: (0, 0)
Radius: 18
write the equation of the circle

Mgosk asked Aug 2, 2023

by Mgosk

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16 votes

Answer:

x^2 + y^2 = 324

Explanation:

A circle with radius 18 and center (0, 0) is "all points that are exactly 18 units away from (0, 0)". A point's distance from (0,0) is
√(x^2+y^2)

We have:

$√(x^2+y^2) = 18\\\\x^2 + y^2 = 18^2 = 324$

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